/**
 * @Author AzureSky_X
 * @Date 2021/3/6 17:04
 * @Version 1.0
 */
public class testDemo {
    public static void main(String[] args) {
        final int[] arr = {1,2,3,45};
        System.out.println(arr.toString());
        arr[3] = 999;
        System.out.println(arr.toString());
    }
}
